﻿//
//    Copyright (c) 2018 camunda services GmbH (info@camunda.com)
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

using System;
using System.Collections.Generic;
using System.Linq;
using GatewayProtocol;
using Zeebe.Client.Api.Responses;

namespace Zeebe.Client.Impl.Responses
{
    public class Topology : ITopology
    {
        private const string FallbackVersion = "lower then 0.23";

        public IList<IBrokerInfo> Brokers { get; }
        public string GatewayVersion { get; }

        public Topology(TopologyResponse response)
        {
            Brokers = response.Brokers.Select(broker => new BrokerInfo(broker)).Cast<IBrokerInfo>().ToList();
            GatewayVersion = string.IsNullOrEmpty(response.GatewayVersion) ? FallbackVersion : response.GatewayVersion;
        }

        public override string ToString()
        {
            return
                "GatewayVersion: " + GatewayVersion + "\n"
                + "Brokers:\n" + string.Join(",\n", Brokers);
        }
    }
}
